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    #16
    and no, I'm not gonna rebuild your head.
    Please!!!
    ---Has ClubProtege helped you in someway? show your support by Contributing--- Click Here---

    1992- project FE3..... 313 WHP @ 9.3psi




    I pet my dash when I get into the car..."good car"
    he actually has a mazda tree, parts grow on it

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      #17
      Originally posted by Shades View Post
      That's what I do all day is rebuild heads... so I can pass this information on.

      ... and questions, hit me with them... and no, I'm not gonna rebuild your head.

      I'm a knowledgable machinist... just need to be a better mechanic.
      With all the great info in this thread it is now a sticky. Poooooof.
      1993 Protege LX-Midnight's shadow SOLD
      1996 Honda CBR600-Wrecked. Damn Honda crippled me
      2002 mazda MPV-family truckster SOLD
      2010 VW routon

      Originally posted by jay
      .....they totally underestimated the number of gearheads such as myself that have families but refuse to grow the hell up and stop playing with cars, or that otherwise see the utility of having 4 doors. Obviously I ain't alone, as there are a helluva lotta sti and evo here. Bueler? Beuler? Mazda? Mazda?

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        #18
        ceramic valves??? titanium valves??? SS valves??? what is the best route to go?
        ---Has ClubProtege helped you in someway? show your support by Contributing--- Click Here---

        1992- project FE3..... 313 WHP @ 9.3psi




        I pet my dash when I get into the car..."good car"
        he actually has a mazda tree, parts grow on it

        Comment


          #19
          each have pros and cons - I would go with the lightest, strongest material possible and that includes thermal resistance.

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            #20
            Originally posted by Lex View Post
            each have pros and cons - I would go with the lightest, strongest material possible and that includes thermal resistance.
            IMO thats ceramic, but each has its own advantages like you said.
            The T3 BP MX-3 conversion has begun, and is taking forever & will kill me.

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              #21
              do they have ceramic valves for our car?
              ---Has ClubProtege helped you in someway? show your support by Contributing--- Click Here---

              1992- project FE3..... 313 WHP @ 9.3psi




              I pet my dash when I get into the car..."good car"
              he actually has a mazda tree, parts grow on it

              Comment


                #22
                ceramic is rather brittle although great at high temps. I've never seen them for our cars.

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                  #23
                  it would be informative to have a listing of avilable valves.
                  ---Has ClubProtege helped you in someway? show your support by Contributing--- Click Here---

                  1992- project FE3..... 313 WHP @ 9.3psi




                  I pet my dash when I get into the car..."good car"
                  he actually has a mazda tree, parts grow on it

                  Comment


                    #24
                    corksport sells:
                    SS stock size valves: unknown price
                    SS oversized valves:$213
                    Ferrea SS oversized valves:$416

                    That's all i know

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                      #25
                      I would be happy with a set of SS valves with a sodium core. Ceramic Insulcoated face and moly coated shaft.

                      But that's just me
                      Drew
                      '95 EGT 1.8
                      T
                      '93 ELX 1.9 SC
                      '91 ELX 1.9

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                        #26
                        don't we all!!! but do they make SS sodium filled?
                        ---Has ClubProtege helped you in someway? show your support by Contributing--- Click Here---

                        1992- project FE3..... 313 WHP @ 9.3psi




                        I pet my dash when I get into the car..."good car"
                        he actually has a mazda tree, parts grow on it

                        Comment


                          #27
                          No clue! but that's what i'd be happy with

                          lol
                          Drew
                          '95 EGT 1.8
                          T
                          '93 ELX 1.9 SC
                          '91 ELX 1.9

                          Comment


                            #28
                            GTR valves are sodium filled...

                            Nitride coated:



                            Oversized manley or ferra SS valves are out there for the Protege/Miata BP, as said...

                            You could always get the oversized SS ones swain coated or something... that with a P&P and some other minor headwork would be a sweet ass setup.
                            Last edited by D323; 09-03-2007, 01:26 AM.
                            The T3 BP MX-3 conversion has begun, and is taking forever & will kill me.

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                              #29
                              Ferrea Competition Plus/Super Alloy Valves
                              Buy Ferrea Competition Plus Valves - discount prices! Get high performance Mazda valves, engine kits, pistons, rods, flywheels, crankshafts, camshafts, gaskets & more. We ship worldwide.


                              Manley Race Master Valves
                              Buy Manley Performance Valves - discount prices! Get high performance Import pistons, engine kits, rods, flywheels, crankshafts, camshafts, gaskets & more. We ship worldwide.


                              Supertech Valves
                              Buy Supertech Performance Valves - discount prices! Get high performance Import valves, pistons, engine kits, rods, flywheels, crankshafts, camshafts, gaskets & more. We ship worldwide.
                              1993 Protege LX-Midnight's shadow SOLD
                              1996 Honda CBR600-Wrecked. Damn Honda crippled me
                              2002 mazda MPV-family truckster SOLD
                              2010 VW routon

                              Originally posted by jay
                              .....they totally underestimated the number of gearheads such as myself that have families but refuse to grow the hell up and stop playing with cars, or that otherwise see the utility of having 4 doors. Obviously I ain't alone, as there are a helluva lotta sti and evo here. Bueler? Beuler? Mazda? Mazda?

                              Comment


                                #30
                                ive been around a good many race cars, and i dont see ceramic valves or titanium valves very much. . . in fact more like never. everything ive ever been around has SS sodium filled valves or just swirl polished stainless. ceramic valves dont do well at high rpms (hey, im a 4/6 cylinder NA guy) because they have serious resonance problems up there, and titanium is so expensive and also has zero ability to bend so its normally reserved for super $$$ motors.

                                i can tell you one thing for sure though. . . a good set of oversized valvles makes a big difference in an NA 4 with the right cam/headwork. ive seen 40hp gains at the crank on a street honda with a properly built race prepped cylinder head and cam combo.
                                sigpic

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